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| ADJ |
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| /ˈhelpfl/ |
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| 1 | useful or providing help 有用的；提供帮助的 |
| a helpful guide to choosing colleges 一本有用的大学选择指南 |
| If you’ re tired, caffeine can be helpful in low doses. 如果累了，小剂量的咖啡因会有帮助的。 |
| it’ s helpful to do sth It’ s helpful to have a calculator for this exam. 这次考试有个计算器很有用。 |
| helpful for/in doing sth Exercise is helpful for controlling high blood pressure. 锻炼有助于控制高血压。 |
| it’ s helpful for sb to do sth It would be helpful for me to meet him personally. 亲自去见他对我会有所帮助。 |
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| 2 | a helpful person helps you by doing something or by giving you useful advice or information （某人）肯帮忙的，有益的 |
| a traditional hotel with friendly and very helpful staff 服务人员非常友善、乐于帮忙的传统旅馆 |
| You’ ve been most helpful. 你太帮忙了。 |
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| DERIVED WORD |
| helpfully adv |
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| helpfulness noun U |
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